power steering system [車輛] 動力轉(zhuǎn)曏系power steering pump 動力轉(zhuǎn)曏泵power steering n. [車輛] 動力轉(zhuǎn)曏；動力方曏磐；（機(jī)動車）轉(zhuǎn)曏助力裝置power stations 發(fā)電站power station regulation control 電廠調(diào)節(jié)控制power station pump 電站用泵power station 發(fā)電站；[電] 發(fā)電廠power splitter [電子] 功率分配器power spectrum estimation [電子、通信與自動控制技術(shù)]功率譜估計[物理學(xué)]功率譜估計[機(jī)械工程]功率譜估計功率頻譜估計power spectrum density 功率譜密度power spectrum [物] 功率譜power spectral estimation [計算機(jī)科學(xué)技術(shù)]功率譜估計power spectral density [物] 功率譜密度power spectral analysis [地球科學(xué)]功率譜[毉葯科學(xué)]頻譜分析power spectral 功率譜power source [電] 電源，能源power socket 電源插座power signal generator [經(jīng)濟(jì)學(xué)]功率信號發(fā)生器power shovel 電鏟；機(jī)鏟，動力鏟；挖土機(jī)power shortage n. 電力短缺，電荒